珠三角地区2009－2013年男男性行为者HIV感染率及其影响因素分析

目的 了解珠三角地区MSM的HIV感染状况及其影响因素。方法 2009－2013年采用全国MSM哨点监测方案调查该地区内6市MSM的HIV感染率,并分析影响因素。结果 2009－2013年珠三角地区6市共调查MSM 8 770例,HIV感染率分别为4.7%、9.7%、10.6%、12.9%和11.4%,呈上升趋势。MSM中危险行为较为普遍,最近6个月肛交每次使用安全套的比例为46.3%。年龄较大、外省籍、不坚持使用安全套、1年内被诊断患过性病及1年内未接受过艾滋病相关干预服务,是该人群感染HIV的危险因素。结论 珠三角地区MSM中HIV传播危险行为较为普遍,HIV感染率呈逐年上升趋势。

Prevalence of human immunodeficiency virus and associated risk factors among men who have sex with men in the major regions of Pearl River Delta, from 2009 to 2013

Objective To examine the HIV prevalence and associated risk factors among men who have sex with men (MSM) in the Pearl River Delta (PRD) region,in order to provide scientific basis for assessment on HIV prevention programs. Methods Surveillance projects on HIV infection status and risk factors were carried out among MSM in six prefectural PRD cities,based on the national sentinel surveillance program among MSM. Results A total of 8 770 MSM were recruited in the six PRD prefectural cities from 2009 to 2013. The overall prevalence rates of HIV among MSM during 2009 and 2013 were 4.7%,9.7%,10.6%,12.9% and 11.4%,respectively,appeared an increasing trend. HIV related high-risk behaviors were commonly seen among MSM. The proportion of consistent condom use during anal sex in the last six months was 46.3%. Associated risk factors for HIV infection among MSM would include older age,being non-permenant residents,inconsistent condom use,history of having had sexually transmitted diseases and without having received intervention services in the last year. Conclusion High-risk behaviors were popular in the MSM population that causing the HIV transmission to expand among the MSM population in the major region of PRD. It seemed necessary to reinforce the publicity and education programs as well as effective behavior intervening measures among the MSM group.